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  2. Kitchen hood - Wikipedia

    en.wikipedia.org/wiki/Kitchen_hood

    A kitchen hood, exhaust hood, hood fan, extractor hood, or range hood is a device containing a mechanical fan that hangs above the stove or cooktop in the kitchen. It removes airborne grease, combustion products, fumes, smoke, heat, and steam from the air by evacuation of the air and filtration. [ 1 ]

  3. Ventilation (firefighting) - Wikipedia

    en.wikipedia.org/wiki/Ventilation_(firefighting)

    Mechanical fans can be used to provide positive pressure ventilation by breaking or removing windows, skylights or heat/smoke vents on the roof; or by cutting new exhaust vents in the building. If there is no suitable existing hole, firefighters may use their equipment to make one, such as specialized saws for cutting a large hole in the roof.

  4. Whole-house fan - Wikipedia

    en.wikipedia.org/wiki/Whole-house_fan

    A whole house fan pulls air out of a building and forces it into the attic space or, in the case of homes without attics, through an opening in the roof or an outside wall. This forces air from the living areas into the attic and out through the gable and/or soffit vents, while at the same time drawing air from the outside into the living areas ...

  5. Fan (machine) - Wikipedia

    en.wikipedia.org/wiki/Fan_(machine)

    A household electric fan A large cylindrical fan. A fan is a powered machine that creates airflow. A fan consists of rotating vanes or blades, generally made of wood, plastic, or metal, which act on the air. The rotating assembly of blades and hub is known as an impeller, rotor, or runner. Usually, it is contained within some form of housing ...

  6. Passive ventilation - Wikipedia

    en.wikipedia.org/wiki/Passive_ventilation

    Another reference is ASHRAE Standard 62.2-2010: Ventilation and Acceptable Indoor Air Quality in low-rise Residential Buildings. [17] These requirements are for "single-family houses and multifamily structures of three stories or fewer above grade, including manufactured and modular houses," but is not applicable "to transient housing such as ...

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